/*
 *MIT License
 *
 *Copyright (c) 2019 chenshuai cs4380@163.com
 *
 *Permission is hereby granted, free of charge, to any person obtaining a copy
 *of this software and associated documentation files (the "Software"), to deal
 *in the Software without restriction, including without limitation the rights
 *to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 *copies of the Software, and to permit persons to whom the Software is
 *furnished to do so, subject to the following conditions:
 *
 *The above copyright notice and this permission notice shall be included in all
 *copies or substantial portions of the Software.
 *
 *THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 *IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 *FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 *AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 *LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 *OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 *SOFTWARE.
 */

package com.cs.cslc.admin.biz;

import com.cs.cslc.admin.mapper.SysRoleMapper;
import com.cs.cslc.admin.pojo.SysRole;
import com.cs.cslc.admin.vo.SysRoleTreeVO;
import com.cs.cslc.common.biz.BaseBusinessBiz;
import com.cs.cslc.common.constant.CommonConstant;
import com.cs.cslc.common.constant.HttpStatusConstant;
import com.cs.cslc.common.exception.BusinessException;
import com.cs.cslc.common.pojo.ParamQuery;
import com.cs.cslc.common.util.BeanUtil;
import com.cs.cslc.common.util.TreeUtil;
import com.cs.cslc.common.util.UUIDUtil;
import org.apache.commons.lang3.StringUtils;
import org.springframework.stereotype.Service;

import java.util.ArrayList;
import java.util.List;

/**
 * SysRole 系统基础角色表.
 *
 * @author cs
 * @version 1.0
 * @date 2019-10-06 14:33
 * @description
 */
@Service
public class SysRoleBiz extends BaseBusinessBiz<SysRoleMapper, SysRole> {

    @Override
    public void insertSelective(SysRole entity) {
        BeanUtil.beanAttributeValueTrim(entity);
        entity.setId(UUIDUtil.randomUUID());
        super.insertSelective(entity);
    }

    @Override
    public SysRole selectOne(ParamQuery query) {
        return super.selectOne(query);
    }

    /**
     * 逻辑删除
     *
     * @param id 主键id
     */
    @Override
    public void deleteById(Object id) {
        if (null == id) {
            throw new BusinessException("请选择待删除对象！", HttpStatusConstant.FAIL);
        }
        int sons = this.getSonCountByParentId(id.toString());
        if (sons > 0) {
            throw new BusinessException("请先删除当前角色的子角色！", HttpStatusConstant.FAIL);
        }
        SysRole sysRole = new SysRole();
        sysRole.setRoleCode(sysRole.getId() + "_" + sysRole.getRoleCode());
        sysRole.setId(id.toString());
        sysRole.setIsDeleted(CommonConstant.IS_DELETED);
        this.updateSelectiveById(sysRole);
    }

    /**
     * 通过父级角色id，统计子集个数
     *
     * @param parentId 父级角色id
     * @return
     */
    public int getSonCountByParentId(String parentId) {
        if (StringUtils.isBlank(parentId)) {
            return 0;
        }
        SysRole sysRole = new SysRole();
        sysRole.setParentId(parentId);
        sysRole.setIsDeleted(CommonConstant.IS_UNDELETED);
        return this.selectCount(sysRole);
    }

    /**
     * 获取菜单树
     *
     * @return
     */
    public List<SysRoleTreeVO> getSysRoleTree() {
        String root = "root";
        String[] fields = {"id", "parentId", "roleCode", "roleName", "description"};
        // 获取全部数据
        String orderByClause = "create_time asc ";
        List<SysRole> dictTypeList = this.selectFieldListAll(fields, orderByClause);
        // 缓存树型结构数据
        List<SysRoleTreeVO> tree = new ArrayList<>();
        // 构造数据
        if (BeanUtil.isNotEmpty(dictTypeList)) {
            for (SysRole sysRole : dictTypeList) {
                // 根节点展开
                tree.add(new SysRoleTreeVO(sysRole.getId(), sysRole.getParentId(), sysRole.getRoleCode(),
                        sysRole.getRoleName(), sysRole.getDescription()));
            }
        }
        List<SysRoleTreeVO> result = TreeUtil.buildByRecursive(tree, root);
        return BeanUtil.isEmpty(result) ? new ArrayList<>() : result;
    }
}